Make resizable the string parameters value list on the 'define sliders' dialog
Update filter database to AviSynth 2.6.0 Alpha 4
Add 'adjust_width' option to the wxp.OPT_ELEM_SEP widget
Allow specifying what functions are added to the filter db on start
Add a 'select installed' button also for script functions
Fix c9586997
Add 'import from wiki' option to the AviSynth function definition dialog

New wiki for maintaining a plugin and script function database:
<https://github.com/AvsPmod/AvsPmod/wiki/Filter-database>

Raw files:
<https://raw.github.com/wiki/AvsPmod/AvsPmod/Plugin-functions.md>
<https://raw.github.com/wiki/AvsPmod/AvsPmod/Script-functions.md>